Complete Ethical Hacking Course > Website Hacking

CAPTCHA Exploits

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Even with reCAPTCHA v3, using a carefully constructed CAPTCHA bot or human fraud farms, it is astonishingly easy for fraudsters to obtain a high score. These adept scammers can simply get through the CAPTCHAs that they are confronted with.

A CAPTCHA is a challenge-response system that is used to distinguish humans from computer programmes. CAPTCHAs are security checks that prevent spammers and hackers from inserting dangerous or frivolous code into web forms.

CAPTCHAs are technologies that let you distinguish between human users and automated users like bots. CAPTCHAs are challenges that are difficult for machines to complete but relatively simple for people to complete. Identifying stretched characters or digits, for example, or clicking in a specific spot.

If the CAPTCHA asks for both upper and lowercase letters, make sure you type them precisely as they appear. You might be able to enter it either way if all the letters have the same case, but if you're receiving bogus CAPTCHAs, try capitalising the characters precisely as they're shown.

When you load a page with one of those CAPTCHAs, the first three can be solved automatically. To solve the other regular types, right-click on the response input box and select "Find and solve CAPTCHA picture for this input" or press Ctrl+Shift+6.

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Nitish Kumar
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Pandey Abhishek
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imran
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Course Content

  1. Introduction to Ethical Hacking
    7m 23s

  1. Overview of Ethical Hacking
    9m 5s
  2. Key Terminologies - Part 1
    14m 4s
  3. Key Terminologies - Part 2
    11m 52s
  4. Key Terminologies - Part 3
    5m 42s
  5. Key Terminologies - Part 4
    10m 16s
  6. Common Cyber Attacks
    22m 26s
  7. Operating System Cyber Attacks
    23m 6s
  8. Types of Hackers
    18m 57s
  9. Introduction to Linux & Kernel
    6m 38s
  10. File Securing Techniques
    24m 29s
  11. Setting up a Hacking Lab using Kali Linux - Part 1
    12m 15s
  12. Setting up a Hacking Lab using Kali Linux - Part 2
    22m 52s
  13. Setting up a Hacking Lab using Metasploit
    18m 13s
  14. Basic Linux commands in Linux
    12m 7s
  15. File commands in Linux
    18m 56s
  16. Folder commands in Linux
    16m 10s
  17. Shell commands in Linux
    14m 42s
  18. Linux Directories
    13m 27s
  19. Assignment : Introduction to Ethical Hacking
    2m 24s

  1. Key Terminologies in Ethical Hacking
    11m 47s
  2. Overview of Vulnerabilities
    4m 31s
  3. Phases of Ethical Hacking
    8m 53s
  4. Introduction to Footprinting
    21m 49s
  5. Eavesdropping Attack
    6m 19s
  6. Overview of Nmap
    20m 34s
  7. Nmap Scanning Methods - Part 1
    28m 33s
  8. Nmap Scanning Methods - Part 2
    32m 14s
  9. Assignment : Ethical Hacking Phases
    2m 47s

  1. Internet Assigned Numbers Authority
    15m 7s
  2. Introduction to IP Addressing
    13m 31s
  3. IPv4 Addresses
    15m 22s
  4. IPv6 Addresses
    7m 12s
  5. IP Address Detection
    7m 19s
  6. Ping Requests and Ping Sweep
    30m 15s
  7. Traceroute
    4m 47s
  8. Common Nmap Commands - Part 1
    15m 47s
  9. Common Nmap Commands - Part 2
    4m 55s
  10. ARP Spoofing Overview
    10m 30s
  11. ARP Spoofing Demo
    16m 23s
  12. IP Spoofing Overview
    4m 50s
  13. IP Spoofing Demo
    9m 41s
  14. MAC Flooding
    6m 12s
  15. DNS Enumeration - 1
    12m 20s
  16. DNS Enumeration - 2
    21m 29s
  17. VLAN Hopping Part - 1
    8m 3s
  18. VLAN Hopping Part - 2
    4m 31s
  19. Countermeasures against Network Securities Attack
    3m 2s
  20. Assignment : Hacking and IP Addresses
    1m 37s

  1. Introduction to Routing Terminologies
    15m 59s
  2. Ports - I
    14m 8s
  3. Ports - II
    8m 6s
  4. Virtual Port Numbers
    10m 10s
  5. Port Scanning
    10m 47s
  6. Port Scanning with Zenmap Part -1
    13m 39s
  7. Port Scanning with Zenmap Part -2
    8m 14s
  8. Advanced Port Scanner
    23m 14s
  9. Countermeasures to Prevent Port Scanning
    2m 45s
  10. Wireshark Part 1
    2m 37s
  11. Wireshark Part 2
    11m 53s
  12. Assignment : Hacking and Ports
    1m 9s

  1. Domain Name Servers
    11m 4s
  2. Top Level Domain
    11m 50s
  3. Second Level Domain
    4m 36s
  4. Domain Name Server Record
    8m 39s
  5. Domain Name Server Request
    16m 22s
  6. Domain Registration Process - Part 1
    14m 11s
  7. Domain Registration Process - Part 2
    8m 42s
  8. Generic Top Level Domain Lifecycle
    8m 32s
  9. DHCP Starvation Attack
    11m 32s
  10. Data Tapping
    17m 9s
  11. Assignment : Hacking and Domain Name Servers
    1m 32s

  1. Introduction to User Identification
    5m 23s
  2. Identity Attacks
    5m 23s
  3. Anonymous Browsing
    15m 17s
  4. Virtual Private Networks
    10m 4s
  5. Types of Virtual Private Networks
    13m 8s
  6. Virtual Private Network Protocols
    20m 12s
  7. IP Proxy
    10m 38s
  8. Proxy Bouncing
    9m 20s
  9. Add-ons for Web Browsers
    7m 37s
  10. TOR Browser
    12m 35s
  11. MAC Spoofing
    13m 59s
  12. Introduction to Steganography
    4m 14s
  13. Steganography Demo
    14m 17s
  14. Email Steganography Demo
    4m 37s
  15. Audio Steganography Demo
    7m 47s
  16. Assignment : Anonymous Browsing and Stegeganography
    2m 4s

  1. Basics of Email ID
    14m 11s
  2. Email Vulnerabilities Part 1
    8m 2s
  3. Email Vulnerabilities Part 2
    10m 7s
  4. Email Protocols
    13m 22s
  5. Email Spoofing Overview
    4m 49s
  6. Email Spoofing Demo
    6m 26s
  7. Email Spamming
    11m 15s
  8. Email Harvesting
    16m 39s
  9. Email Headers
    4m 18s
  10. Countermeasures to Prevent Email Hacking
    2m 49s
  11. Assignment : Hacking and Emails
    2m 1s

  1. Introduction to Malware
    12m 26s
  2. Types of Malware
    17m 14s
  3. Introduction to Viruses
    6m 47s
  4. Virus Demo
    12m 7s
  5. Trojan
    5m 45s
  6. Trojan Demo
    7m 18s
  7. Keyloggers - I
    9m 36s
  8. Keyloggers - II
    10m 19s
  9. Creating Bat Files
    6m 42s
  10. Countermeasures to Prevent Malware Attacks
    4m 7s
  11. Assignment : Hacking and Malwares
    2m 22s

  1. Introduction to Password Cracking
    4m 7s
  2. Password Cracking Techniques
    10m 34s
  3. Dictionary Attacks - BruteForce
    8m 36s
  4. Linux Tools for Password Cracking
    4m 21s
  5. Countermeasures
    4m 38s
  6. Assignment : Hacking and Password Cracking
    1m 54s

  1. Packet Sniffing - Part 1
    9m 28s
  2. Packet Sniffing - Part 2
    10m 56s
  3. TCP Dump
    23m 26s
  4. Assignment : Hacking and Sniffing
    1m 12s

  1. Introduction to Phishing
    17m 48s
  2. Phishing Techniques
    27m 50s
  3. How to Create a Phished Page
    7m 48s
  4. Phishing Practical - Part 1
    14m 16s
  5. Phishing Practical - Part 2
    16m 18s
  6. Phishing Practical - Part 3
    16m 24s
  7. Reporting Phishing Incidents
    3m 20s
  8. Countermeasures
    6m 30s
  9. Assignment : Hacking and Phishing
    57s

  1. Overview
    1m 33s
  2. Buffer Overflow
    10m 31s
  3. Denial of Service Attack
    10m 13s
  4. Distributed Denial of Service Attack
    6m 24s
  5. Zero Day Attack
    4m 2s
  6. Social Engineering Attack
    4m 27s
  7. Honeypot
    17m 15s
  8. XSS Exploits Part 1
    13m 23s
  9. XSS Exploits Part 2
    11m 51s
  10. Salami Attack
    6m 28s
  11. Botnet
    11m 3s
  12. DOM XSS Exploits
    14m 50s
  13. Assignment : Coding Attacks
    2m 31s

  1. Overview of Website Hacking
    3m 20s
  2. Google Dorking
    43m 27s
  3. Hacking Admin Panel on Websites
    20m 47s
  4. SQL Injection Basics Part 1
    2m 59s
  5. SQL Injection Basics Part 2
    16m 17s
  6. Blind SQL - Part 1
    5m 19s
  7. Blind SQL - Part 2
    11m 9s
  8. XML Injection
    14m 24s
  9. DVWA with Linux
    27m 51s
  10. DVWA with Windows
    15m 39s
  11. Server Side Request Forgery
    32m 19s
  12. Website Exploits
    18m 9s
  13. Malware Analysis
    17m 37s
  14. Hacking Websites with Burp - 1
    14m 8s
  15. Hacking Websites with Burp - 2
    33m 25s
  16. Session Fixation Attack
    20m
  17. CSRF Attack
    14m 19s
  18. CAPTCHA Exploits
    23m 23s
  19. Bypassing Cross Origin Resource Sharing - 1
    7m 12s
  20. Bypassing Cross Origin Resource Sharing - 2
    12m 37s
  21. Heartbleed Attack
    22m 32s
  22. XML Attack
    9m 8s
  23. File Upload Attacks
    17m 17s
  24. Assignment : Website Hacking
    2m 10s
  25. Assignment : Website Hacking
    2m 31s

  1. Hacking Mobile Devices
    25m 18s
  2. Android Web View Exploits
    4m 44s
  3. OWASP Vulnerabilities
    7m 50s
  4. Windows Hacking
    10m 29s
  5. Assignment : Mobile Hacking
    2m 9s

  1. Introduction to Cyber Crime
    3m 43s
  2. The 419 Scam
    4m 7s
  3. Assignment : Reporting Cyber Crimes
    34s

  1. Introduction to Cyber Laws
    5m 33s
  2. Cyber laws
    10m 57s
  3. Cyber Crime Portals Part 1
    2m 17s
  4. Cyber Crime Portals Part 2
    14m 32s
  5. Cyber Crime Portals Part 3
    10m 45s
  6. Chain of Custody
    4m 23s
  7. Incident Response-1
    5m 50s
  8. Incident Response-2
    5m 36s
  9. ITA 2000 and 2008
    8m 29s
  10. Trademark Infringement
    9m 45s
  11. Copyright Infringement
    6m 26s
  12. Indian Regulators for Cyber Security
    12m 32s
  13. Central Act and State Act
    5m 6s
  14. Assignment : Cyber Laws
    1m 43s

  1. Course Summary
    5m 45s

  1. Interview Questions
    27m 31s

  1. Career Guideline
    3m 5s
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